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Steel free of tin, for the manufacture of cans of food
Steel free of tin, for the manufacture of cans of food
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机译：不含锡的钢，用于制造食品罐
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摘要
P the invention relates to a steel free of tin in packs of 3 comprising a first layer of chromium and a second layer of chromium oxide hydrate filed on the first layer and its method of preparation. / p & & p & according to the invention, it is maintained in the second layer, the atomic ratios of the contents of sulfur, and secondly by fluorine with respect to the total content of chromium, oxygen, sulfur and fluorine of this second layer has a content of which are not determined, respectively a 2,5 and 10. / p & & p & the steel from tin thus obtained is used to manufacture of the dishes of a joint made of "nylon" 6 after coating, in which the thereof of the varnish to the steel is improved, even after conditioning is hot. / p
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